Rome to Tokyo Time Difference
Tokyo is 7 hours ahead of Rome. When it's 06:27:14 PM in Rome, it's 01:27:14 AM in Tokyo.
How Many Hours Ahead Is Tokyo From Rome?
Tokyo is 7 hours ahead of Rome. So Rome is 7 hours behind Tokyo looking the other way — the same gap, described from the other end.
In practice that means a working day in Rome starts when it is already 4:00 PM in Tokyo. The gap is not fixed all year: it becomes 8 hours on Sunday, October 25, 2026, when Rome changes its clocks.
Best Time to Call Rome and Tokyo
Both cities are inside normal business hours between 9:00 AM and 10:00 AM in Rome — that's 4:00 PM to 5:00 PM in Tokyo. That's a 1-hour window, so a call fits comfortably in either side's working day.
both at work Rome only Tokyo only neither — hours shown along the strip are Rome local time.
Convert a Specific Time
Pick any date and time in Rome to see the exact equivalent in Tokyo.
Common Times Converted
Rome time on the left, Tokyo time on the right.
Rome to Tokyo: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in Rome. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Rome | Tokyo | Working hours |
|---|---|---|
| 12:00 AM | 7:00 AM | — |
| 1:00 AM | 8:00 AM | — |
| 2:00 AM | 9:00 AM | Tokyo only |
| 3:00 AM | 10:00 AM | Tokyo only |
| 4:00 AM | 11:00 AM | Tokyo only |
| 5:00 AM | 12:00 PM | Tokyo only |
| 6:00 AM | 1:00 PM | Tokyo only |
| 7:00 AM | 2:00 PM | Tokyo only |
| 8:00 AM | 3:00 PM | Tokyo only |
| 9:00 AM | 4:00 PM | Both cities |
| 10:00 AM | 5:00 PM | Rome only |
| 11:00 AM | 6:00 PM | Rome only |
| 12:00 PM | 7:00 PM | Rome only |
| 1:00 PM | 8:00 PM | Rome only |
| 2:00 PM | 9:00 PM | Rome only |
| 3:00 PM | 10:00 PM | Rome only |
| 4:00 PM | 11:00 PM | Rome only |
| 5:00 PM | 12:00 AM next day | — |
| 6:00 PM | 1:00 AM next day | — |
| 7:00 PM | 2:00 AM next day | — |
| 8:00 PM | 3:00 AM next day | — |
| 9:00 PM | 4:00 AM next day | — |
| 10:00 PM | 5:00 AM next day | — |
| 11:00 PM | 6:00 AM next day | — |
Understanding the Rome – Tokyo Time Difference
Rome runs on Europe/Rome, currently CEST (UTC+2:00). Tokyo runs on Asia/Tokyo, currently JST (UTC+9:00). The gap of 7 hours is simply the distance between those two offsets.
Rome observes Daylight Saving Time and Tokyo does not, so the gap between them shifts by an hour twice a year. The next shift is on Sunday, October 25, 2026, when Rome adjusts its clocks and the difference becomes 8 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in Japan.
Rome today
Tokyo today
Frequently Asked Questions
What is the time difference between Rome and Tokyo?
Tokyo is currently 7 hours ahead of Rome. That gap becomes 8 hours on Sunday, October 25, 2026, when Rome changes its clocks.
How many hours ahead is Tokyo from Rome?
Tokyo is 7 hours ahead of Rome. Looking at it the other way, Rome is 7 hours behind Tokyo.
What time is it in Tokyo when it is 9:00 AM in Rome?
When it is 9:00 AM in Rome, it is 4:00 PM in Tokyo.
Is Tokyo ahead of or behind Rome?
Tokyo is 7 hours ahead of Rome. Tokyo reaches each point in the day first, so its working day is already finishing while Rome is still getting started.
What is the best time to call between Rome and Tokyo?
Between 9:00 AM and 10:00 AM Rome time, which is 4:00 PM to 5:00 PM in Tokyo. Both cities are inside normal business hours during that window.
Does the time difference between Rome and Tokyo change during the year?
Yes. Rome observes Daylight Saving Time and Tokyo does not, so the gap between them shifts during the year. It changes to 8 hours on Sunday, October 25, 2026.
What time zones are Rome and Tokyo in?
Rome uses the Europe/Rome time zone, currently CEST (UTC+2:00). Tokyo uses Asia/Tokyo, currently JST (UTC+9:00).